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Message-ID: <86b71a8a-2b8a-4130-9bd7-bb63658093f7@linaro.org>
Date: Tue, 23 Jul 2024 09:17:50 +0200
From: Neil Armstrong <neil.armstrong@...aro.org>
To: xianwei.zhao@...ogic.com, Kevin Hilman <khilman@...libre.com>,
 Jerome Brunet <jbrunet@...libre.com>,
 Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-kernel@...ts.infradead.org, linux-amlogic@...ts.infradead.org,
 linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH v3 3/6] arm64: dts: amlogic: s4: add ao secure node

On 19/07/2024 10:08, Xianwei Zhao via B4 Relay wrote:
> From: Xianwei Zhao <xianwei.zhao@...ogic.com>
> 
> Add node for board info registers, which allows getting SoC family and
> board revision.
> 
> For example, with MESON_GX_SOCINFO config enabled we can get the
> following information for board with Amlogic S4 SoC:
> soc soc0: Amlogic S4 (S805X2) Revision 37:a (2:1) Detecte
> 
> Signed-off-by: Xianwei Zhao <xianwei.zhao@...ogic.com>
> ---
>   arch/arm64/boot/dts/amlogic/meson-s4.dtsi | 8 ++++++++
>   1 file changed, 8 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/amlogic/meson-s4.dtsi b/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
> index c11c947fa18c..957577d986c0 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
> +++ b/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
> @@ -763,6 +763,14 @@ reset: reset-controller@...0 {
>   				#reset-cells = <1>;
>   			};
>   
> +			sec_ao: ao-secure@...20 {
> +				compatible = "amlogic,s4-ao-secure",
> +					     "amlogic,meson-gx-ao-secure",
> +					     "syscon";
> +				reg = <0x0 0x10220 0x0 0x140>;
> +				amlogic,has-chip-id;
> +			};
> +
>   			ir: ir@...40 {
>   				compatible = "amlogic,meson-s4-ir";
>   				reg = <0x0 0x84040 0x0 0x30>;
> 

Reviewed-by: Neil Armstrong <neil.armstrong@...aro.org>

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